<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style type="text/css">
    .container {
      width: 1000px;
      min-height: 500px;
      margin: 0 auto;
    }

    .wrapper {
      float: left;
      width: 50%;
      min-height: 500px;
      border-right: 1px solid #000;
      box-sizing: border-box;
    }

    .wrapper h1 {
      text-align: center;
    }
  </style>
</head>

<body>
  <div class="container">
    <div class="wrapper">
      <h1>课程列表</h1>
      <ul class="J_list"></ul>
    </div>
    <div class="wrapper">
      <h1>待报名课程</h1>
      <ul class="J_cart"></ul>
    </div>
  </div>
</body>

</html>